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Duncan Irvine
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[#3698] Failing Test Case
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‎src/test/java/rx/internal/operators/OperatorGroupByTest.java

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@@ -1581,4 +1581,224 @@ public void call(GroupedObservable<Object, Integer> g) {
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ts2.assertNotCompleted();
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}
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@Test
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public void testGroupedObservableCollection() {
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final TestSubscriber<List<Integer>> inner1 = new TestSubscriber<List<Integer>>();
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final TestSubscriber<List<Integer>> inner2 = new TestSubscriber<List<Integer>>();
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TestSubscriber<List<Observable<List<Integer>>>> outer = new TestSubscriber<List<Observable<List<Integer>>>>(new Subscriber<List<Observable<List<Integer>>>>() {
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@Override
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public void onCompleted() {
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}
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@Override
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public void onError(Throwable e) {
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}
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@Override
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public void onNext(List<Observable<List<Integer>>> o) {
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o.get(0).subscribe(inner1);
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o.get(1).subscribe(inner2);
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}
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});
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Observable.range(0, 10)
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.groupBy(new Func1<Integer, Boolean>() {
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@Override
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public Boolean call(Integer pair) {
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return pair % 2 == 1;
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}
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})
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.map(new Func1<GroupedObservable<Boolean, Integer>, Observable<List<Integer>>>() {
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@Override
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public Observable<List<Integer>> call(GroupedObservable<Boolean, Integer> oddOrEven) {
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return oddOrEven.toList();
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}
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})
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.toList()
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.subscribe(outer);
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inner1.assertNoErrors();
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inner1.assertCompleted();
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inner2.assertNoErrors();
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inner2.assertCompleted();
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inner1.assertReceivedOnNext(Arrays.asList(Arrays.asList(0,2,4,6,8)));
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inner2.assertReceivedOnNext(Arrays.asList(Arrays.asList(1,3,5,7,9)));
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outer.assertNoErrors();
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outer.assertCompleted();
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outer.assertValueCount(1);
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}
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@Test
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public void testCollectedGroups() {
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final TestSubscriber<List<Integer>> inner1 = new TestSubscriber<List<Integer>>();
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final TestSubscriber<List<Integer>> inner2 = new TestSubscriber<List<Integer>>();
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final List<TestSubscriber<List<Integer>>> inners = Arrays.asList(inner1, inner2);
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TestSubscriber<Observable<List<Integer>>> outer = new TestSubscriber<Observable<List<Integer>>>(new Subscriber<Observable<List<Integer>>>() {
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int toInner;
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@Override
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public void onCompleted() {
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}
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@Override
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public void onError(Throwable e) {
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}
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@Override
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public void onNext(Observable<List<Integer>> o) {
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o.subscribe(inners.get(toInner++));
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}
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});
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Observable.range(0, 10)
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.groupBy(new Func1<Integer, Boolean>() {
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@Override
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public Boolean call(Integer pair) {
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return pair % 2 == 1;
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}
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})
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.map(new Func1<GroupedObservable<Boolean,Integer>, Observable<List<Integer>>>() {
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@Override
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public Observable<List<Integer>> call(GroupedObservable<Boolean, Integer> booleanIntegerGroupedObservable) {
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return booleanIntegerGroupedObservable.toList();
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}
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})
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.subscribe(outer);
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inner1.assertNoErrors();
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inner1.assertCompleted();
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inner1.assertReceivedOnNext(Arrays.asList(Arrays.asList(0,2,4,6,8)));
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inner2.assertReceivedOnNext(Arrays.asList(Arrays.asList(1,3,5,7,9)));
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outer.assertNoErrors();
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outer.assertCompleted();
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outer.assertValueCount(2);
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}
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@Test
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public void testMappedCollectedGroups() {
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// This is a little contrived.
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final TestSubscriber<Integer> inner1 = new TestSubscriber<Integer>();
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final TestSubscriber<Integer> inner2 = new TestSubscriber<Integer>();
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TestSubscriber<Map<Integer, Observable<Integer>>> outer = new TestSubscriber<Map<Integer, Observable<Integer>>>(new Subscriber<Map<Integer, Observable<Integer>>>() {
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@Override
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public void onCompleted() {
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}
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@Override
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public void onError(Throwable e) {
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}
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@Override
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public void onNext(Map<Integer, Observable<Integer>> integerObservableMap) {
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integerObservableMap.get(0).subscribe(inner1);
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integerObservableMap.get(1).subscribe(inner2);
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}
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});
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Observable<Map<Integer, Observable<Integer>>> mapObservable = Observable.range(0, 10)
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.groupBy(new Func1<Integer, Integer>() {
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@Override
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public Integer call(Integer pair) {
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return pair % 2;
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}
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})
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.toMap(new Func1<GroupedObservable<Integer, Integer>, Integer>() {
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@Override
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public Integer call(GroupedObservable<Integer, Integer> group) {
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return group.getKey();
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}
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},
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new Func1<GroupedObservable<Integer, Integer>, Observable<Integer>>() {
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@Override
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public Observable<Integer> call(GroupedObservable<Integer, Integer> integerGroup) {
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return integerGroup.map(
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new Func1<Integer, Integer>() {
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@Override
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public Integer call(Integer integer) {
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return integer * 10;
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}
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});
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}
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}
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);
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mapObservable.subscribe(outer);
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inner1.assertNoErrors();
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inner1.assertCompleted();
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inner1.assertReceivedOnNext(Arrays.asList(0,20,40,60,80));
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inner2.assertReceivedOnNext(Arrays.asList(10,30,50,70,90));
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outer.assertNoErrors();
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outer.assertCompleted();
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outer.assertValueCount(1);
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}
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@Test
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public void testSkippedGroup() {
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final TestSubscriber<Integer> inner1 = new TestSubscriber<Integer>();
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TestSubscriber<GroupedObservable<Integer, Integer>> outer = new TestSubscriber<GroupedObservable<Integer, Integer>>(new Subscriber<GroupedObservable<Integer, Integer>>() {
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@Override
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public void onCompleted() {
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}
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@Override
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public void onError(Throwable e) {
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}
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@Override
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public void onNext(GroupedObservable<Integer, Integer> o) {
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if (o.getKey() == 1) {
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o.subscribe(inner1);
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}
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}
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});
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Observable.range(0, 10)
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.groupBy(new Func1<Integer, Integer>() {
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@Override
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public Integer call(Integer pair) {
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return pair % 2;
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}
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})
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.subscribe(outer);
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inner1.assertNoErrors();
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inner1.assertCompleted();
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inner1.assertReceivedOnNext(Arrays.asList(1,3,5,7,9));
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outer.assertNoErrors();
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outer.assertCompleted();
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outer.assertValueCount(2);
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}
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}

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